Which of the following is a chemical substance involved in the reduction of pain and enhancement of pleasure ?
 |
endorphin; |
 |
hormone; |
 |
myelin; |
 |
norepinephrine; |
 |
GABA; |
INCORRECT - Myelin is another word for fat.
[Review Part 1 of the tutorial] [Review Part 2 (Matching) of the tutorial]